
With the help of mobile phone you can improve the sale process. But, about 40% of customers will leave and not return if the sales process does not use mobile phone.
But by using a mobile device in the sales process, you get about 60-70% of chance of selling to current costumer, around 20-40% of chance of winning back an ex-costumer. However, you will have 5-20% of chance of attracting a new costumer can be seen.